Charli XCX

Charli XCX, born Charlotte Aitchison, explaining the XCX part of her stage name:

It stands for Kiss Charli Kiss, which is fucking lame. It used to be my handle on MSN Messenger. Then I got signed and thought, “Maybe I need to make it cooler,” so I told the record label it stood for X-rated Cunt X-rated. — Genius